大约有 48,000 项符合查询结果(耗时:0.0775秒) [XML]

https://stackoverflow.com/ques... 

Memcached vs. Redis? [closed]

We're using a Ruby web-app with Redis server for caching. Is there a point to test Memcached instead? 17 Answers ...
https://stackoverflow.com/ques... 

How do I copy an object in Java?

...can use Java Object Serialization to make a deep copy. Unfortunately, this approach has some problems too(detailed examples). Possible Problems: clone is tricky to implement correctly. It's better to use Defensive copying, copy constructors(as @egaga reply) or static factory methods. If you hav...
https://stackoverflow.com/ques... 

Placeholder in IE9

... This indeed works a treat, however it's a pain to use on single page applications. You need to trigger it manually for dynamically added fields. Other than that, works great! – smets.kevin Nov 18 '13 at 14:41 ...
https://stackoverflow.com/ques... 

Where do you store your salt strings?

...ers. What about a salt that is stored as an XML file that is loaded by the App Server? or maybe somehow hardcoded into a servlet? – jigzat Jul 25 '12 at 2:58 10 ...
https://stackoverflow.com/ques... 

Singleton with Arguments in Java

...e to pass in dynamicly created parameters which stay the same for the hole application runtime. so you cant use a constant within the singleton but have to pass that constant when its created. after passed once its the same constant for the hole time. a setter wont do the job if you need that specif...
https://stackoverflow.com/ques... 

Should I impose a maximum length on passwords?

...g that they forced me to use a shorter, less secure password, that I also happen to reuse on every website that imposes such silly limits. This lets them know that it's a problem and also might give a Joe Coder some leverage to show to the higher-ups: evidence that users actually think badly of the ...
https://stackoverflow.com/ques... 

How to bind RadioButtons to an enum?

...erent value. If you want a proper working AND better solution, use scott's approach. – l46kok Oct 16 '12 at 0:28 2 ...
https://stackoverflow.com/ques... 

Fundamental difference between Hashing and Encryption algorithms

...ant an explanation, I'll do my best here: Hash Functions They provide a mapping between an arbitrary length input, and a (usually) fixed length (or smaller length) output. It can be anything from a simple crc32, to a full blown cryptographic hash function such as MD5 or SHA1/2/256/512. The point...
https://stackoverflow.com/ques... 

How to set JVM parameters for Junit Unit Tests?

...to run - i.e. 1G. (They test memory-intensive functionality for a webstart app that will only run with sufficient heap-space, and will be run internally on Win 7 64-bit machines - so redesigning the tests isn't a practical suggestion.) ...
https://stackoverflow.com/ques... 

Simulating group_concat MySQL function in Microsoft SQL Server 2005?

I'm trying to migrate a MySQL-based app over to Microsoft SQL Server 2005 (not by choice, but that's life). 11 Answers ...